Searching for history along the Thames

A torch on his head, Jason Sandy scours the nighttime London foreshores of the Thames river, searching for objects that could offer a glimpse of life in the British capital hundreds of years ago.

As the occasional party boat passes by, its music blasting and lights flashing, the 42-year-old architect only has a few hours while the tide is low to make his finds.

22 May 2016. London, UNITED KINGDOM. Reuters/Neil Hall

Sandy has been mudlarking for a hobby for the last five years, scouring the river banks for historical artefacts. Some of his finds are so rare they are displayed in museums.

"Over 2,000 years of time, everything has been thrown into the Thames, accidentally lost ... dropped so 2,000 years of history are down there," he said.

22 May 2016. London, UNITED KINGDOM. Reuters/Neil Hall

"It's really the thrill of almost like time travelling and knowing that the last person to touch this was from that time period," he added, describing the feeling of making a find.

Sandy, originally from Chicago, has found numerous artefacts like a Tudor comb, Victorian toothbrush and a Roman women's hair pin, which the Museum of London dated to AD 43.

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1 Jun 2016. London, UNITED KINGDOM. Reuters/Neil Hall

A Tudor comb and a Victorian toothbrush are displayed at Jason Sandy's home.

1 Jun 2016. London, UNITED KINGDOM. Reuters/Neil Hall

A variety of ceramic objects.

1 Jun 2016. London, UNITED KINGDOM. Reuters/Neil Hall

A variety of metal pins.

1 Jun 2016. London, UNITED KINGDOM. Reuters/Neil Hall

Pipes dating from 1580 to 1900.

1 Jun 2016. London, UNITED KINGDOM. Reuters/Neil Hall

Victorian lead figures.

1 Jun 2016. London, UNITED KINGDOM. Reuters/Neil Hall

A collection of Tudor coins.

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Mudlarking is believed to trace its origins to the 18th and 19th century, when scavengers searched the Thames' shores for items to sell. These days, history and archaeology fans are the ones hoping to find old relics such as coins, ceramics, artefacts or everyday items from across centuries.

They wait for the low tide and then scour specific areas of exposed shores.

23 May 2016. London, UNITED KINGDOM. Reuters/Neil Hall

Mudlark Matthew Goode climbs down a ladder.

"If you're in a field you could be out all day long, with the river you're restricted to about two or three hours," mudlark Nick Stevens said. "Unlike fishing where there's one of 10 fish that you're likely to catch, with mudlarking there is an infinite amount of variety in terms of what you could find."

22 May 2016. London, UNITED KINGDOM. Reuters/Neil Hall

Goode holds a metal detector.

While many just use the naked eye for their searches, others rely on metal detectors for which a permit from the Port of London Authority is needed. Digging also requires consent.

23 May 2016. London, UNITED KINGDOM. Reuters/Neil Hall

The select Society of Thames Mudlarks counts just a few dozen members, who have the necessary licences and can access restricted areas along the river.

Collaborating with the Museum of London, the mudlarks record their finds with the Portable Antiquities Scheme. Any item over 300 years old must be recorded.

"It's quite exciting to go down to a part of London that is only accessible for a very short amount of time," Sandy said.

"Thousands of years of London's history is still waiting to be discovered there on the Thames foreshore."

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23 May 2016. London, UNITED KINGDOM. Reuters/Neil Hall

Matthew Goode uses a metal detector to look for objects near Tower Bridge.